CUBRID Engine: qo_plan Struct Reference

CUBRID Engine latest

#include <query_planner.h>

Collaboration diagram for qo_plan:

Collaboration graph

Public Attributes
QO_INFO *	info

int	refcount

bool	top_rooted

bool	well_rooted

double	fixed_cpu_cost

double	fixed_io_cost

double	variable_cpu_cost

double	variable_io_cost

BITSET	sarged_terms

QO_EQCLASS *	order

PT_NODE *	iscan_sort_list

BITSET	subqueries

QO_PLANTYPE	plan_type

QO_PLAN_VTBL *	vtbl

union {
struct {
QO_PLAN * link

} free

struct {
QO_SCANMETHOD scan_method

QO_NODE * node

BITSET terms

BITSET kf_terms

bool index_equi

bool index_cover

bool index_iss

bool index_loose

QO_NODE_INDEX_ENTRY * index

BITSET multi_col_range_segs

BITSET hash_terms

} scan

struct {
SORT_TYPE sort_type

QO_PLAN * subplan

xasl_node * xasl

} sort

struct {
JOIN_TYPE join_type

QO_JOINMETHOD join_method

QO_PLAN * outer

QO_PLAN * inner

BITSET join_terms

BITSET during_join_terms

BITSET other_outer_join_terms

BITSET after_join_terms

BITSET hash_terms

} join

struct {
QO_PLAN * head

QO_TERM * path

} follow

}	plan_un

QO_PLAN_ULTI_RANGE_OPT_USE	multi_range_opt_use

cubxasl::analytic_eval_type *	analytic_eval_list

bool	has_sort_limit

bool	use_iscan_descending

Detailed Description

Definition at line 99 of file query_planner.h.

Member Data Documentation

BITSET qo_plan::after_join_terms

Definition at line 188 of file query_planner.h.

cubxasl::analytic_eval_type* qo_plan::analytic_eval_list

Definition at line 202 of file query_planner.h.

Referenced by pt_to_buildlist_proc(), qo_find_best_nljoin_inner_plan_on_info(), qo_follow_new(), qo_join_new(), qo_plan_print_analytic_eval(), qo_scan_new(), qo_sort_new(), and qo_worst_new().

BITSET qo_plan::during_join_terms

Definition at line 186 of file query_planner.h.

double qo_plan::fixed_cpu_cost

Definition at line 122 of file query_planner.h.

Referenced by planner_permutate(), preserve_info(), qo_check_planvec(), qo_find_best_nljoin_inner_plan_on_info(), qo_find_best_plan_on_planvec(), qo_follow_cost(), qo_iscan_cost(), qo_mjoin_cost(), qo_nljoin_cost(), qo_plan_cmp(), qo_plan_print_costs(), qo_sort_cost(), qo_sscan_cost(), qo_worst_cost(), and qo_zero_cost().

double qo_plan::fixed_io_cost

Definition at line 122 of file query_planner.h.

Referenced by planner_permutate(), preserve_info(), qo_check_planvec(), qo_find_best_nljoin_inner_plan_on_info(), qo_find_best_plan_on_planvec(), qo_follow_cost(), qo_iscan_cost(), qo_mjoin_cost(), qo_nljoin_cost(), qo_plan_cmp(), qo_plan_print_costs(), qo_sort_cost(), qo_sscan_cost(), qo_worst_cost(), and qo_zero_cost().

struct { ... } qo_plan::follow

Referenced by gen_inner(), gen_outer(), make_fetch_proc(), qo_follow_cost(), qo_follow_fprint(), qo_follow_info(), qo_follow_new(), qo_follow_walk(), qo_plan_compute_iscan_sort_list(), qo_plan_follow_print_json(), qo_plan_follow_print_text(), qo_set_use_desc(), and qo_walk_plan_tree().

struct { ... } qo_plan::free

Referenced by qo_plan_add_to_free_list(), qo_plan_malloc(), and qo_plans_teardown().

bool qo_plan::has_sort_limit

Definition at line 204 of file query_planner.h.

Referenced by qo_check_new_best_plan_on_info(), qo_find_best_nljoin_inner_plan_on_info(), qo_join_new(), qo_mjoin_cost(), qo_plan_malloc(), and qo_sort_new().

BITSET qo_plan::hash_terms

Definition at line 158 of file query_planner.h.

QO_PLAN* qo_plan::head

Definition at line 194 of file query_planner.h.

QO_NODE_INDEX_ENTRY* qo_plan::index

Definition at line 156 of file query_planner.h.

bool qo_plan::index_cover

Definition at line 153 of file query_planner.h.

bool qo_plan::index_equi

Definition at line 152 of file query_planner.h.

bool qo_plan::index_iss

Definition at line 154 of file query_planner.h.

bool qo_plan::index_loose

Definition at line 155 of file query_planner.h.

QO_INFO* qo_plan::info

Definition at line 101 of file query_planner.h.

Referenced by gen_outer(), make_namelist_from_projected_segs(), planner_nodeset_join_cost(), preserve_info(), pt_set_limit_optimization_flags(), qo_add_hq_iterations_access_spec(), qo_check_groupby_skip_descending(), qo_check_iscan_for_multi_range_opt(), qo_check_join_for_multi_range_opt(), qo_check_orderby_skip_descending(), qo_check_parent_eq_class_for_multi_range_opt(), qo_check_plan_index_for_multi_range_opt(), qo_check_subplan_join_cond_for_multi_range_opt(), qo_check_subqueries_for_multi_range_opt(), qo_check_terms_for_multiple_range_opt(), qo_combine_partitions(), qo_find_best_nljoin_inner_plan_on_info(), qo_follow_cost(), qo_follow_new(), qo_is_index_covering_scan(), qo_is_index_iss_scan(), qo_is_index_loose_scan(), qo_is_index_mro_scan(), qo_join_fprint(), qo_join_info(), qo_join_new(), qo_mjoin_cost(), qo_nljoin_cost(), qo_plan_add_to_free_list(), qo_plan_cmp(), qo_plan_compute_cost(), qo_plan_compute_iscan_sort_list(), qo_plan_discard(), qo_plan_is_orderby_skip_candidate(), qo_plan_multi_range_opt(), qo_plan_order_by(), qo_plan_print_costs(), qo_plan_print_outer_join_terms(), qo_plan_print_projected_segs(), qo_plan_print_sarged_terms(), qo_plan_print_sort_spec(), qo_plan_scan_print_json(), qo_plan_scan_print_text(), qo_scan_fprint(), qo_scan_info(), qo_scan_new(), qo_search_planner(), qo_sort_cost(), qo_sort_fprint(), qo_sort_info(), qo_sort_new(), qo_to_xasl(), qo_top_plan_new(), qo_unset_multi_range_optimization(), qo_validate_indexes_for_orderby(), and qo_worst_new().

QO_PLAN* qo_plan::inner

Definition at line 184 of file query_planner.h.

PT_NODE* qo_plan::iscan_sort_list

Definition at line 127 of file query_planner.h.

Referenced by qo_check_orderby_skip_descending(), qo_find_best_nljoin_inner_plan_on_info(), qo_follow_new(), qo_index_scan_new(), qo_join_new(), qo_plan_add_to_free_list(), qo_plan_is_orderby_skip_candidate(), qo_plan_iscan_sort_list(), qo_plan_print_sort_spec(), qo_scan_new(), qo_sort_new(), qo_top_plan_new(), and qo_worst_new().

QO_JOINMETHOD qo_plan::join_method

Definition at line 182 of file query_planner.h.

BITSET qo_plan::join_terms

Definition at line 185 of file query_planner.h.

JOIN_TYPE qo_plan::join_type

Definition at line 181 of file query_planner.h.

BITSET qo_plan::kf_terms

Definition at line 151 of file query_planner.h.

QO_PLAN* qo_plan::link

Definition at line 143 of file query_planner.h.

BITSET qo_plan::multi_col_range_segs

Definition at line 157 of file query_planner.h.

QO_PLAN_ULTI_RANGE_OPT_USE qo_plan::multi_range_opt_use

Definition at line 200 of file query_planner.h.

Referenced by pt_set_limit_optimization_flags(), qo_check_subplans_for_multi_range_opt(), qo_find_best_nljoin_inner_plan_on_info(), qo_follow_new(), qo_index_scan_new(), qo_is_index_iss_scan(), qo_is_index_loose_scan(), qo_is_index_mro_scan(), qo_join_new(), qo_plan_multi_range_opt(), qo_scan_new(), qo_search_planner(), qo_sort_new(), qo_unset_multi_range_optimization(), and qo_worst_new().

QO_NODE* qo_plan::node

Definition at line 149 of file query_planner.h.

QO_EQCLASS* qo_plan::order

Definition at line 126 of file query_planner.h.

Referenced by qo_check_new_best_plan_on_info(), qo_check_plan_on_info(), qo_examine_merge_join(), qo_examine_nl_join(), qo_follow_new(), qo_generate_sort_limit_plan(), qo_join_new(), qo_plan_order_by(), qo_scan_new(), qo_sort_cost(), qo_sort_fprint(), qo_sort_info(), qo_sort_new(), and qo_worst_new().

BITSET qo_plan::other_outer_join_terms

Definition at line 187 of file query_planner.h.

QO_PLAN* qo_plan::outer

Definition at line 183 of file query_planner.h.

QO_TERM* qo_plan::path

Definition at line 195 of file query_planner.h.

QO_PLANTYPE qo_plan::plan_type

Definition at line 136 of file query_planner.h.

Referenced by add_access_spec(), add_sort_spec(), gen_inner(), gen_outer(), make_if_pred_from_plan(), make_pred_from_plan(), planner_nodeset_join_cost(), qo_add_hq_iterations_access_spec(), qo_check_join_for_multi_range_opt(), qo_check_new_best_plan_on_info(), qo_check_parent_eq_class_for_multi_range_opt(), qo_check_seg_belongs_to_range_term(), qo_check_subplan_join_cond_for_multi_range_opt(), qo_check_subplans_for_multi_range_opt(), qo_check_subqueries_for_multi_range_opt(), qo_combine_partitions(), qo_examine_correlated_index(), qo_examine_merge_join(), qo_examine_nl_join(), qo_find_subplan_using_multi_range_opt(), qo_follow_new(), qo_get_key_limit_from_instnum(), qo_has_sort_limit_subplan(), qo_is_iscan(), qo_is_iscan_from_groupby(), qo_is_iscan_from_orderby(), qo_is_seq_scan(), qo_is_sort_limit(), qo_join_new(), qo_multi_range_opt_plans_cmp(), qo_nljoin_cost(), qo_plan_cmp(), qo_plan_cmp_prefer_covering_index(), qo_plan_compute_iscan_sort_list(), qo_plan_print_json(), qo_plan_print_sort_spec(), qo_plan_print_text(), qo_plan_skip_groupby(), qo_plan_skip_orderby(), qo_scan_new(), qo_search_planner(), qo_set_use_desc(), qo_sort_cost(), qo_sort_new(), qo_top_plan_new(), qo_walk_plan_tree(), and qo_worst_new().

union { ... } qo_plan::plan_un

Referenced by add_access_spec(), add_sort_spec(), gen_inner(), gen_outer(), init_class_scan_proc(), make_fetch_proc(), make_mergelist_proc(), make_pred_from_plan(), make_sort_limit_proc(), planner_nodeset_join_cost(), pt_instnum_to_key_limit(), pt_ordbynum_to_key_limit_multiple_ranges(), qo_add_hq_iterations_access_spec(), qo_check_iscan_for_multi_range_opt(), qo_check_join_for_multi_range_opt(), qo_check_new_best_plan_on_info(), qo_check_parent_eq_class_for_multi_range_opt(), qo_check_plan_index_for_multi_range_opt(), qo_check_plan_on_info(), qo_check_seg_belongs_to_range_term(), qo_check_subplan_join_cond_for_multi_range_opt(), qo_check_subplans_for_multi_range_opt(), qo_check_subqueries_for_multi_range_opt(), qo_check_terms_for_multiple_range_opt(), qo_combine_partitions(), qo_find_best_nljoin_inner_plan_on_info(), qo_find_subplan_using_multi_range_opt(), qo_follow_cost(), qo_follow_fprint(), qo_follow_info(), qo_follow_new(), qo_follow_walk(), qo_generate_join_index_scan(), qo_get_key_limit_from_instnum(), qo_get_multi_col_range_segs(), qo_get_xasl_index_info(), qo_group_by_skip_plans_cmp(), qo_has_sort_limit_subplan(), qo_index_covering_plans_cmp(), qo_index_scan_new(), qo_is_all_unique_index_columns_are_equi_terms(), qo_is_index_covering_scan(), qo_is_index_iss_scan(), qo_is_index_loose_scan(), qo_is_index_mro_scan(), qo_is_iscan(), qo_is_iscan_from_groupby(), qo_is_iscan_from_orderby(), qo_is_seq_scan(), qo_is_sort_limit(), qo_iscan_cost(), qo_join_fprint(), qo_join_free(), qo_join_info(), qo_join_new(), qo_join_walk(), qo_mjoin_cost(), qo_multi_range_opt_plans_cmp(), qo_nljoin_cost(), qo_order_by_skip_plans_cmp(), qo_plan_add_to_free_list(), qo_plan_cmp(), qo_plan_cmp_prefer_covering_index(), qo_plan_compute_iscan_sort_list(), qo_plan_follow_print_json(), qo_plan_follow_print_text(), qo_plan_iscan_terms_cmp(), qo_plan_join_print_json(), qo_plan_join_print_text(), qo_plan_malloc(), qo_plan_multi_range_opt(), qo_plan_print_outer_join_terms(), qo_plan_print_sort_spec(), qo_plan_scan_print_json(), qo_plan_scan_print_text(), qo_plan_skip_groupby(), qo_plan_skip_orderby(), qo_plan_sort_print_json(), qo_plan_sort_print_text(), qo_plans_teardown(), qo_scan_fprint(), qo_scan_free(), qo_scan_info(), qo_scan_new(), qo_search_planner(), qo_seq_scan_new(), qo_set_orderby_skip(), qo_set_use_desc(), qo_sort_cost(), qo_sort_fprint(), qo_sort_info(), qo_sort_new(), qo_sort_walk(), qo_sscan_cost(), qo_top_plan_new(), qo_unset_multi_range_optimization(), qo_validate_indexes_for_orderby(), and qo_walk_plan_tree().

int qo_plan::refcount

Definition at line 103 of file query_planner.h.

Referenced by qo_find_best_nljoin_inner_plan_on_info(), qo_follow_new(), qo_join_new(), qo_plan_free(), qo_scan_new(), qo_sort_new(), and qo_worst_new().

BITSET qo_plan::sarged_terms

struct { ... } qo_plan::scan

Referenced by add_access_spec(), gen_outer(), init_class_scan_proc(), make_pred_from_plan(), pt_instnum_to_key_limit(), pt_ordbynum_to_key_limit_multiple_ranges(), qo_add_hq_iterations_access_spec(), qo_check_iscan_for_multi_range_opt(), qo_check_parent_eq_class_for_multi_range_opt(), qo_check_plan_index_for_multi_range_opt(), qo_check_plan_on_info(), qo_check_seg_belongs_to_range_term(), qo_check_subplan_join_cond_for_multi_range_opt(), qo_check_subqueries_for_multi_range_opt(), qo_check_terms_for_multiple_range_opt(), qo_generate_join_index_scan(), qo_get_multi_col_range_segs(), qo_get_xasl_index_info(), qo_group_by_skip_plans_cmp(), qo_index_covering_plans_cmp(), qo_index_scan_new(), qo_is_all_unique_index_columns_are_equi_terms(), qo_is_index_covering_scan(), qo_is_index_iss_scan(), qo_is_index_loose_scan(), qo_is_index_mro_scan(), qo_is_iscan(), qo_is_iscan_from_groupby(), qo_is_iscan_from_orderby(), qo_is_seq_scan(), qo_iscan_cost(), qo_join_new(), qo_multi_range_opt_plans_cmp(), qo_nljoin_cost(), qo_order_by_skip_plans_cmp(), qo_plan_cmp(), qo_plan_cmp_prefer_covering_index(), qo_plan_compute_iscan_sort_list(), qo_plan_iscan_terms_cmp(), qo_plan_multi_range_opt(), qo_plan_scan_print_json(), qo_plan_scan_print_text(), qo_plan_skip_groupby(), qo_scan_fprint(), qo_scan_free(), qo_scan_info(), qo_scan_new(), qo_search_planner(), qo_seq_scan_new(), qo_set_orderby_skip(), qo_set_use_desc(), qo_sort_cost(), qo_sscan_cost(), qo_top_plan_new(), qo_unset_multi_range_optimization(), and qo_validate_indexes_for_orderby().

QO_SCANMETHOD qo_plan::scan_method

Definition at line 148 of file query_planner.h.

SORT_TYPE qo_plan::sort_type

Definition at line 171 of file query_planner.h.

QO_PLAN* qo_plan::subplan

Definition at line 175 of file query_planner.h.

BITSET qo_plan::subqueries

Definition at line 134 of file query_planner.h.

Referenced by gen_inner(), gen_outer(), qo_follow_new(), qo_join_new(), qo_nljoin_cost(), qo_plan_add_to_free_list(), qo_plan_compute_cost(), qo_plan_malloc(), qo_plan_print_subqueries(), and qo_scan_new().

BITSET qo_plan::terms

Definition at line 150 of file query_planner.h.

bool qo_plan::top_rooted

Definition at line 108 of file query_planner.h.

Referenced by gen_outer(), qo_find_best_nljoin_inner_plan_on_info(), qo_follow_new(), qo_join_new(), qo_plan_cmp(), qo_plan_print_sort_spec(), qo_scan_new(), qo_sort_new(), qo_top_plan_new(), and qo_worst_new().

bool qo_plan::use_iscan_descending

Definition at line 205 of file query_planner.h.

Referenced by qo_check_iscan_for_multi_range_opt(), qo_plan_malloc(), qo_plan_print_sort_spec(), qo_search_planner(), qo_top_plan_new(), and qo_worst_cost().

double qo_plan::variable_cpu_cost

Definition at line 124 of file query_planner.h.

Referenced by planner_permutate(), preserve_info(), qo_check_planvec(), qo_find_best_nljoin_inner_plan_on_info(), qo_find_best_plan_on_planvec(), qo_follow_cost(), qo_iscan_cost(), qo_mjoin_cost(), qo_nljoin_cost(), qo_plan_cmp(), qo_plan_compute_cost(), qo_plan_print_costs(), qo_sort_cost(), qo_sscan_cost(), qo_worst_cost(), and qo_zero_cost().

double qo_plan::variable_io_cost

Definition at line 124 of file query_planner.h.

Referenced by planner_permutate(), preserve_info(), qo_check_planvec(), qo_find_best_nljoin_inner_plan_on_info(), qo_find_best_plan_on_planvec(), qo_follow_cost(), qo_iscan_cost(), qo_mjoin_cost(), qo_nljoin_cost(), qo_plan_cmp(), qo_plan_compute_cost(), qo_plan_print_costs(), qo_sort_cost(), qo_sscan_cost(), qo_worst_cost(), and qo_zero_cost().

QO_PLAN_VTBL* qo_plan::vtbl

Definition at line 137 of file query_planner.h.

Referenced by qo_follow_info(), qo_follow_new(), qo_index_scan_new(), qo_join_info(), qo_join_new(), qo_plan_compute_cost(), qo_plan_fprint(), qo_plan_free(), qo_plan_lite_print(), qo_plan_walk(), qo_scan_info(), qo_seq_scan_new(), qo_sort_info(), qo_sort_new(), qo_worst_info(), and qo_worst_new().

bool qo_plan::well_rooted

Definition at line 119 of file query_planner.h.

Referenced by qo_find_best_nljoin_inner_plan_on_info(), qo_follow_new(), qo_join_new(), qo_scan_new(), qo_sort_new(), and qo_worst_new().

xasl_node* qo_plan::xasl

Definition at line 176 of file query_planner.h.

The documentation for this struct was generated from the following file:

src/optimizer/query_planner.h

qo_plan
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